Strat. vortex remains stronger than all yrs in ERA interim record!
— Marco Petagna (@Petagna) November 11, 2019
Zonal mean zonal wind 10hPa 60N today (GFS analysis): 41.2m/s
Weakest zonal wind 10hPa 60N for todays date: 10.6m/s 2009
Strongest was: 39.5m/s 2015
GFS ens continue to signal dramatic weakening soon...👀👀 pic.twitter.com/pFbxP51uCY